//
//  LSZStatusToolBar.swift
//  醒浪微博
//
//  Created by 雷顺哲 on 16/7/13.
//  Copyright © 2016年 LSZ. All rights reserved.
//

import UIKit
//微博toolBar
class LSZStatusToolBar: UIView {

    // MARK:懒加载控件
    private lazy var retweetButton: UIButton = self.addChildButton("timeline_icon_retweet", title: "转发")
    private lazy var commentButton: UIButton = self.addChildButton("timeline_icon_comment", title: "评论")
    private lazy var unlikeButton: UIButton = self.addChildButton("timeline_icon_unlike", title: "赞")
//    数据模型
    var statusViewModel: LSZStatusViewModel? {
        didSet{
            
            retweetButton.setTitle(statusViewModel?.retweetStr, forState: .Normal)
            commentButton.setTitle(statusViewModel?.commentStr, forState: .Normal)
            unlikeButton.setTitle(statusViewModel?.unlikeStr, forState: .Normal)
        }
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setUpUI()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
//    添加控件约束
    private func setUpUI() {
        retweetButton.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(self)
            make.top.equalTo(self)
            make.bottom.equalTo(self)
            make.width.equalTo(commentButton)
        }
        commentButton.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(retweetButton.snp_trailing)
            make.top.equalTo(self)
            make.bottom.equalTo(self)
            make.width.equalTo(unlikeButton)
        }
        unlikeButton.snp_makeConstraints { (make) -> Void in
            make.leading.equalTo(commentButton.snp_trailing)
            make.top.equalTo(self)
            make.bottom.equalTo(self)
            make.trailing.equalTo(self)
        }
        
        let oneLine = addChildLine()
        let twoLine = addChildLine()
        
        oneLine.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(retweetButton.snp_trailing)
            make.centerY.equalTo(self.snp_centerY)
        }
        
        twoLine.snp_makeConstraints { (make) -> Void in
            make.centerX.equalTo(commentButton.snp_trailing)
            make.centerY.equalTo(self.centerY)
        }
        
        
        
    }
    
//    创建中间的竖线
    private func addChildLine() -> UIImageView {
        let img = UIImageView(image: UIImage(named: "timeline_card_bottom_line"))
        addSubview(img)
        return img
    }
    
    
    
//    创建按钮的公用方法
    private func addChildButton(imageName: String, title: String) -> UIButton {
        let button = UIButton()
//        设置图片
        button.setImage(UIImage(named: imageName), forState: .Normal)
//        设置背景图片
        button.setBackgroundImage(UIImage(named: "timeline_card_bottom_background"), forState: .Normal)
//        取消高亮
        button.adjustsImageWhenHighlighted = false
    
//        设置文字
        button.setTitle(title, forState: .Normal)
//        指定文字的大小
        button.titleLabel?.font = UIFont.systemFontOfSize(15)
//        指定文字的颜色
        button.setTitleColor(UIColor.grayColor(), forState: .Normal)
        
//        添加按钮
        addSubview(button)
    
        return button
    
    }
}
